Merge "Improved UX when no debuggable apps are available." into rvc-dev am:...

Merge "Improved UX when no debuggable apps are available." into rvc-dev am: 6217af3f am: 5b5c335b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/11675592

Change-Id: I18c5baef9c87cf8a38a6b9f3333a280c9264b066